Cisco Nexus Dashboard CLI Command toctou

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Cisco Nexus Dashboard. This affects an unknown function of the component CLI Command Handler. The manipulation results in toctou. This vulnerability was named CVE-2022-20907. The attack needs to be approached locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Nexus Dashboard (Forum Software) (affected version unknown). It has been classified as critical. Affected is an unknown functionality of the component CLI Command Handler. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an authenticated, local attacker to elevate privileges on an affected device. These vulnerabilities are due to insufficient input validation during CLI command execution on an affected device. An attacker could exploit these vulnerabilities by authenticating as the rescue-user and executing vulnerable CLI commands using a malicious payload. A successful exploit could allow the attacker to elevate privileges to root on an affected device.

The weakness was presented 07/22/2022 as cisco-sa-ndb-mprvesc-EMhDgXe5. The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2022-20907 since 11/02/2021. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 6.0
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/02/2021 🔍
07/22/2022 +261 days 🔍
07/22/2022 +0 days 🔍
08/16/2022 +25 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ndb-mprvesc-EMhDgXe5
Status: Confirmed

CVE: CVE-2022-20907 (🔍)
GCVE (CVE): GCVE-0-2022-20907
GCVE (VulDB): GCVE-100-204828

Entryinfo

Created: 07/22/2022 07:47
Updated: 08/16/2022 18:18
Changes: 07/22/2022 07:47 (50), 08/16/2022 18:18 (11)
Complete: 🔍
Cache ID: 216::103

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